CN220015200U - A temporary support structure for shield tunnel contact passages - Google Patents
A temporary support structure for shield tunnel contact passages Download PDFInfo
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- CN220015200U CN220015200U CN202321528596.3U CN202321528596U CN220015200U CN 220015200 U CN220015200 U CN 220015200U CN 202321528596 U CN202321528596 U CN 202321528596U CN 220015200 U CN220015200 U CN 220015200U
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Abstract
本实用新型公开了一种用于盾构隧道联络通道处的临时支撑结构，包括隧顶支撑部、隧底支撑部及竖向支撑部；隧顶支撑部包括横向支撑件、顶部支撑件及上部纵向支撑件，若干横向支撑件沿盾构管片延伸方向均匀设置，相邻横向支撑件之间连接有上部纵向支撑件，横向支撑件上设有多个顶部支撑件；隧底支撑部包括弧形支撑件以下部纵向支撑件，若干弧形支撑件沿盾构管片延伸方向均匀设置，相邻弧形支撑件之间连接有下部纵向支撑件；竖向支撑部包括竖向主支撑件及加强件一，竖向主支撑件位于弧形支撑件的两侧，相邻竖向主支撑件之间交叉连接有加强件一；洞口斜支撑件位于盾构管片的两端且设置于竖向支撑部的任一侧。
The utility model discloses a temporary support structure for a shield tunnel contact passage, which includes a tunnel top support part, a tunnel bottom support part and a vertical support part; the tunnel top support part includes a transverse support part, a top support part and an upper part Longitudinal supports and several transverse supports are evenly arranged along the extending direction of the shield segments. Upper longitudinal supports are connected between adjacent transverse supports, and multiple top supports are provided on the transverse supports; the tunnel bottom support includes an arc The arc-shaped support member is a lower longitudinal support member, and several arc-shaped support members are evenly arranged along the extending direction of the shield segment. The lower longitudinal support members are connected between adjacent arc-shaped support members; the vertical support part includes a vertical main support member and Reinforcement member one, the vertical main support members are located on both sides of the arc-shaped support member, and the adjacent vertical main support members are cross-connected with reinforcement member one; the hole diagonal support members are located at both ends of the shield segment and are arranged on the vertical to either side of the support.
Description
Technical Field
The utility model relates to the technical field of shield tunnel construction, in particular to a temporary supporting structure for a shield tunnel connecting channel.
Background
In subway engineering construction, a shield tunnel connecting channel is one of the most common and key structures, and functions of passenger safety evacuation, tunnel drainage, fire prevention, fire protection and the like which should be possessed by the shield tunnel connecting channel are all important links of emergency deployment of tunnel engineering, so that the construction quality and the operation safety of the connecting channel are certainly important sections for tunnel construction control.
In the construction process of the connecting channel, a steel supporting structure is often adopted to temporarily support the tunnel duct piece so as to ensure the safety of the construction working face of the connecting channel, an I-shaped beam is often adopted as a supporting structure at the bottom of the tunnel by the conventional temporary steel supporting structure, the supporting structure easily generates a large bending moment in the middle of the beam, the supporting effect on the duct piece is limited, and the beam is easily broken and potential safety hazards are formed when the supporting structure is serious; and after the whole support is erected, the passage in the tunnel is blocked, and the processes of material transportation, slag soil outward transportation and the like form more cross operations, so that the engineering progress is greatly restricted.
Therefore, a temporary support structure for a shield tunnel connecting passage is provided to solve the existing defects.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a temporary support structure for a shield tunnel connecting channel.
In order to solve the technical problems, the technical scheme provided by the utility model is a temporary supporting structure for a shield tunnel connecting channel: comprises a tunnel top supporting part, a tunnel bottom supporting part and a vertical supporting part;
the tunnel top supporting part comprises transverse supporting parts, top supporting parts and upper longitudinal supporting parts, wherein a plurality of transverse supporting parts are uniformly arranged along the extending direction of the shield segment, the transverse supporting parts are arranged at the upper part in the shield segment, the two ends of each transverse supporting part are connected with the inner wall of the shield segment, the upper longitudinal supporting parts are connected between the two ends of the adjacent transverse supporting parts, and a plurality of top supporting parts which are abutted to the inner wall of the shield segment are vertically arranged on the transverse supporting parts;
the tunnel bottom supporting part comprises arc-shaped supporting pieces and lower longitudinal supporting pieces, a plurality of the arc-shaped supporting pieces are uniformly arranged along the extending direction of the shield segment, the arc-shaped supporting pieces are positioned at the middle position of the inner bottom of the shield segment and are matched with the shield segment, and the lower longitudinal supporting pieces are connected between two ends of the adjacent arc-shaped supporting pieces;
the vertical supporting part comprises a vertical main supporting piece and a first reinforcing piece, the vertical main supporting piece is positioned on two sides of the arc-shaped supporting piece, two ends of the vertical main supporting piece are connected with the transverse supporting piece and the arc-shaped supporting piece through flanges, and the first reinforcing piece is connected between the adjacent vertical main supporting pieces in a cross manner;
the shield segment shield structure comprises a vertical main support piece, and is characterized by further comprising a tunnel portal inclined support piece, wherein the tunnel portal inclined support piece is positioned at two ends of the shield segment and is arranged at any side of the vertical support portion, and two ends of the tunnel portal inclined support piece are respectively connected with the bottom end of the vertical main support piece and the end part of the transverse support piece.
As an improvement, a second reinforcing member is connected between the adjacent top supporting members in a cross manner.
As an improvement, a top rubber support piece is arranged between the top support piece and the shield segment.
As an improvement, the arc-shaped supporting piece and the transverse supporting piece are correspondingly arranged, and a bottom rubber supporting piece is arranged between the arc-shaped supporting piece and the shield segment.
As an improvement, the flange plate comprises a connecting plate welded at the end part of the arc-shaped supporting piece and the top end of the vertical main supporting piece, and the connecting plate is fastened through nuts and through connecting bolts arranged at through holes at four corners of the connecting plate.
Compared with the prior art, the utility model has the advantages that:
1. the main body stress and supporting structure is formed by the arrangement of the transverse supporting piece and the arc-shaped supporting piece, so that the supporting effect on the shield segment is enhanced, the lower part of the shield segment is better in protection effect, the traditional point support is replaced by the surface support, and the stress form of the stress beam at the bottom of the shield segment is more reasonable;
2. the support structure is simple in structure and convenient to install, has low requirement on the level of machining workers, can greatly improve the assembly efficiency and reduce the assembly time, does not need to lift the tunnel sleeper in the range of the support structure for a long distance in the whole process, reduces the installation engineering quantity of the slope-changing sleeper, can save more time and recovers production at the fastest speed;
3. the support structure meets the structural deformation control requirement in the construction process of the communication channel, and can still carry out other operations such as passage of the battery car, material transfer and the like in the tunnel after the support structure is erected, so that the maximization of the space utilization rate of the tunnel is realized, and the occurrence of the cross construction phenomenon is avoided.
Drawings
Fig. 1 is a schematic structural view of a temporary support structure for a shield tunnel junction according to the present utility model.
Fig. 2 is a schematic structural view of a temporary support structure for a shield tunnel junction according to the present utility model.
Fig. 3 is a schematic structural view of a flange plate in a temporary support structure for a shield tunnel junction according to the present utility model.
As shown in the figure: 1. the device comprises a transverse support piece, a top support piece, a longitudinal support piece, a shield segment, an arc-shaped support piece, a longitudinal support piece, a lower longitudinal support piece, a vertical main support piece, a reinforcing piece I, a reinforcing piece 9, a flange plate, a hole inclined support piece 11, a reinforcing piece II, a reinforcing piece 12, a top rubber support piece, a bottom rubber support piece, a connecting plate and a connecting plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the inventive embodiments generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
In the description of the embodiments of the utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the utility model, "plurality" represents at least 2.
In the description of the embodiments of the utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the utility model will be understood by those skilled in the art according to the specific circumstances.
1-3, a temporary support structure for a shield tunnel connecting channel comprises a tunnel top support part, a tunnel bottom support part and a vertical support part;
the tunnel top supporting part comprises a transverse supporting piece 1, a top supporting piece 2 and an upper part longitudinal supporting piece 3, wherein a plurality of transverse supporting pieces 1 are uniformly arranged along the extending direction of a shield segment 4, in actual use, the number of the transverse supporting pieces 1 is set according to actual conditions, the transverse supporting pieces 1 are arranged on the upper part in the shield segment 4, two ends of the transverse supporting pieces are connected with the inner wall of the shield segment 4, the upper part longitudinal supporting piece 3 is connected between two ends of the transverse supporting pieces 1, and the structural stability of the tunnel top supporting part can be effectively guaranteed through the connection arrangement of the transverse supporting pieces 1 and the upper part longitudinal supporting pieces 3.
The horizontal support piece 1 is provided with a plurality of top support pieces 2 which are abutted with the inner wall of the shield segment 4 vertically, the number of the top support pieces 2 is set according to actual conditions, specifically, the top ends of the top support pieces 2 are abutted with the inner wall of the shield segment 12 through the top rubber support pieces 12, and the support on the upper portion of the shield segment 4 is achieved.
Further, the second reinforcing members 11 are cross-connected between the adjacent top supporting members 2, and in the implementation, the second reinforcing members 11 are cross-connected between the adjacent top supporting members 2 on the lateral supporting members 1, and meanwhile, the second reinforcing members 11 are cross-connected between the top supporting members 2 at corresponding positions on the adjacent lateral supporting members 1, so as to further enhance the structural strength and stability thereof.
The top rubber support piece 12 is arranged between the top support piece 2 and the shield segment 4, and in actual use, the thickness of the top rubber support piece 12 can be set according to actual conditions, and damage to the shield segment 4 can be avoided through the setting of the top rubber support piece 12.
The tunnel bottom supporting part comprises an arc-shaped supporting piece 5 and a lower longitudinal supporting piece 6, a plurality of arc-shaped supporting pieces 5 are uniformly arranged along the extending direction of the shield segment 4, the arc-shaped supporting pieces 5 are positioned at the middle position in the bottom of the shield segment 4 and are matched with the shield segment 4,
further, the number of the arc-shaped supporting pieces 5 is the same as the number of the transverse supporting pieces 1, the arc-shaped supporting pieces 5 and the transverse supporting pieces 1 are correspondingly arranged, a bottom rubber supporting piece 13 is arranged between the arc-shaped supporting pieces 5 and the shield segment 4, and likewise, the thickness of the bottom rubber supporting piece 13 can be set according to actual conditions, and damage to the shield segment 4 can be avoided through the setting of the bottom rubber supporting piece 13.
The lower longitudinal supporting pieces 6 are connected between two ends of the adjacent arc-shaped supporting pieces 5, a frame-type tunnel bottom supporting portion is formed through connection and matching of the lower longitudinal supporting pieces 6 and the arc-shaped supporting pieces 5, matching of the arc-shaped supporting pieces 5 and the bottoms of the shield segments 4 is guaranteed, meanwhile, protection effect on the lower portions of the shield segments 4 is guaranteed, point supporting of a traditional structure is replaced by surface supporting, and the stress form of a bottom stress beam is more reasonable.
The vertical supporting part comprises a vertical main supporting piece 7 and a first reinforcing piece 8, the vertical main supporting piece 7 is positioned on two sides of the arc-shaped supporting piece 5, two ends of the vertical main supporting piece 7 are connected with the transverse supporting piece 1 and the arc-shaped supporting piece 5 through a flange 9, and the first reinforcing piece 8 is connected between the adjacent vertical main supporting pieces 7 in a cross mode;
further, the flange 9 comprises a connecting plate 14 welded at the end of the arc-shaped supporting piece 5 and the top end of the vertical main supporting piece 7, and the connecting plate 14 passes through connecting bolts arranged at through holes at four corners of the connecting plate 14 and is fastened by nuts.
By arranging the flange 9, the horizontal requirement on machining workers is reduced, the assembly efficiency of the supporting structure can be greatly improved, and the assembly time is reduced;
still include entrance to a cave bearing diagonal piece 10, entrance to a cave bearing diagonal piece 10 is located shield and constructs 4 both ends and set up in the arbitrary side of vertical supporting part, entrance to a cave bearing diagonal piece 10 both ends link to each other in the bottom of vertical main support piece 7 and the tip of horizontal support piece 1 respectively to further improve bearing structure's bulk strength and structural stability.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (5)
1. A temporary support structure for shield tunnel contact passage department, characterized in that: comprises a tunnel top supporting part, a tunnel bottom supporting part and a vertical supporting part;
the tunnel top supporting part comprises transverse supporting pieces (1), top supporting pieces (2) and upper longitudinal supporting pieces (3), wherein a plurality of the transverse supporting pieces (1) are uniformly arranged along the extending direction of the shield segment (4), the transverse supporting pieces (1) are arranged at the inner upper part of the shield segment (4) and are connected with the inner wall of the shield segment (4) at two ends, the upper longitudinal supporting pieces (3) are connected between the two ends of the adjacent transverse supporting pieces (1), and a plurality of the top supporting pieces (2) which are abutted to the inner wall of the shield segment (4) are vertically arranged on the transverse supporting pieces (1);
the tunnel bottom supporting part comprises arc supporting pieces (5) and lower longitudinal supporting pieces (6), a plurality of the arc supporting pieces (5) are uniformly arranged along the extending direction of the shield segment (4), the arc supporting pieces (5) are positioned at the middle position in the shield segment (4) and are matched with the shield segment (4), and the lower longitudinal supporting pieces (6) are connected between two ends of the adjacent arc supporting pieces (5);
the vertical supporting part comprises a vertical main supporting piece (7) and a first reinforcing piece (8), wherein the vertical main supporting piece (7) is positioned on two sides of the arc-shaped supporting piece (5), two ends of the vertical main supporting piece (7) are connected with the transverse supporting piece (1) and the arc-shaped supporting piece (5) through flange plates (9), and the first reinforcing piece (8) is connected between the adjacent vertical main supporting pieces (7) in a cross mode;
the shield tunnel further comprises a tunnel portal inclined support (10), the tunnel portal inclined support (10) is located at two ends of the shield segment (4) and arranged on any side of the vertical support portion, and two ends of the tunnel portal inclined support (10) are respectively connected with the bottom end of the vertical main support (7) and the end portion of the transverse support (1).
2. A temporary support structure for use at a shield tunnel junction according to claim 1, wherein: and reinforcing pieces II (11) are connected between the adjacent top supporting pieces (2) in a cross mode.
3. A temporary support structure for use at a shield tunnel junction according to claim 1, wherein: a top rubber support (12) is arranged between the top support (2) and the shield segment (4).
4. A temporary support structure for use at a shield tunnel junction according to claim 1, wherein: the arc-shaped supporting piece (5) is arranged corresponding to the transverse supporting piece (1), and a bottom rubber supporting piece (13) is arranged between the arc-shaped supporting piece (5) and the shield segment (4).
5. A temporary support structure for use at a shield tunnel junction according to claim 1, wherein: the flange plate (9) comprises a connecting plate (14) welded at the end part of the arc-shaped supporting piece (5) and the top end of the vertical main supporting piece (7), and the connecting plate (14) passes through connecting bolts arranged at through holes at four corners of the connecting plate (14) and is fastened through nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321528596.3U CN220015200U (en) | 2023-06-15 | 2023-06-15 | A temporary support structure for shield tunnel contact passages |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321528596.3U CN220015200U (en) | 2023-06-15 | 2023-06-15 | A temporary support structure for shield tunnel contact passages |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220015200U true CN220015200U (en) | 2023-11-14 |
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ID=88692714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321528596.3U Active CN220015200U (en) | 2023-06-15 | 2023-06-15 | A temporary support structure for shield tunnel contact passages |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220015200U (en) |
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2023
- 2023-06-15 CN CN202321528596.3U patent/CN220015200U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 510000 1st and 2nd floors, Building A, No.1 Lanyue Road, Science City, Huangpu District, Guangzhou City, Guangdong Province Patentee after: China Construction Railway Investment South China Construction Co.,Ltd. Country or region after: China Patentee after: CHINA STATE RAILWAY INVESTMENT CONSTRUCTION GROUP Co.,Ltd. Address before: Room 283, No. 333 Jiufo Jianshe Road, Zhongxin Guangzhou Knowledge City, Huangpu District, Guangzhou City, Guangdong Province, 510555, China Patentee before: CHINA CONSTRUCTION TIETOU RAIL TRANSIT CONSTRUCTION Co.,Ltd. Country or region before: China Patentee before: CHINA STATE RAILWAY INVESTMENT CONSTRUCTION GROUP Co.,Ltd. |
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| CP03 | Change of name, title or address |